20012334134200 has 96 divisors (see below), whose sum is σ = 47659193366400. Its totient is φ = 7810815116160.

The previous prime is 20012334134179. The next prime is 20012334134213. The reversal of 20012334134200 is 243143321002.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7270171 + ... + 9637429.

It is an arithmetic number, because the mean of its divisors is an integer number (496449930900).

Almost surely, 2^{20012334134200} is an apocalyptic number.

20012334134200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012334134200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23829596683200).

20012334134200 is an abundant number, since it is smaller than the sum of its proper divisors (27646859232200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012334134200 is a wasteful number, since it uses less digits than its factorization.

20012334134200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368301 (or 2368292 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20012334134200 its reverse (243143321002), we get a palindrome (20255477455202).

The spelling of 20012334134200 in words is "twenty trillion, twelve billion, three hundred thirty-four million, one hundred thirty-four thousand, two hundred".